
Follow the mystery-busting adventures of 7-year-old Stan and his 71-year-old Gran, as together they investigate the mysterious goings-on in the fictional coastal town of Porthole.
CreatorJon Mason

Roaming Gnomes
Nov 10, 2025
Grandad's gnomes go missing and Stan's mystery deepens when he finds a tiny human handprint! The gnomes can't really have come to life, can they?!

The Wizard's Whistle
Nov 11, 2025
Melanie won't go to her favourite beach because of a strange sound known as The Wizard's Whistle! Is it a bird? Is it a kettle? Stan and Gran investigate!

Flight! Camera! Action!
Nov 12, 2025
Grumblestunk's new speed camera catches Stan breaking the speed limit on his scooter, but he can't have been! Stan and Gran have to clear his name!

Laughter of the Lake
Nov 13, 2025
Stan and Gran get the giggles while spotting nature on the Ley, and the lake seems to be giggling back at them! Who is that laughing?

Shoe Dunnit
Nov 14, 2025
Beach shoes have gone missing; some red hair is found at the scene and Grumblestunk is blaming Stan! Who really did it!? Stan and Gran spy a mystery!

Get a Wriggle On
Nov 17, 2025
Sand! Sea! Worms! Stan and Gran must quickly discover where all these worms came from or Ellie's new clothes drying service will be ruined!

The Good, the Bird and the Ugly
Nov 18, 2025
Grumblestunk is getting competitive during 'Porthole In Bloom', but so are the local robins! Why are the red-chested birds turning on each other?

Message in a Bottle
Nov 19, 2025
Stan finds a treasure map in a bottle on the beach. Could it really lead to finding the lost treasure of dread pirate Abby Birdy?

Bats the Way I Like It
Nov 20, 2025
The bats that nest in Grandad's shed each year are missing. Can Stan and Gran encourage these nocturnal creatures to return when they can't hear them?

Runaway Rubbish
Nov 21, 2025
Stan and Gran are enjoying a beach clean, but the rubbish seems to have a mind of its own! When a yoghurt pot goes walk-about, Stan spies a mystery!

Beat of the Drum
Feb 16, 2026
Stan, Grace and Brody form a band, but a mystery drummer joins in somewhere across town. Stan and Gran go on a hunt for their invisible bandmate!

Hole in the Fence
Feb 17, 2026
Strange holes in garden fences are popping up all over Porthole and Stink has gone missing! Stan and Gran spy a mystery and decide to investigate...

Bananas at Dawn
Feb 18, 2026
Grumblestunk is sure she saw an enormous banana when she walked Stink on the beach early that morning and Stan and Gran spy a mystery - but no banana!

The Big Spot
Feb 19, 2026
Grumblestunk is sure she saw an enormous banana when she walked Stink on the beach early that morning and Stan and Gran spy a mystery - but no banana!

The Tiny Tidy People
Feb 20, 2026
Strange holes in garden fences are popping up all over Porthole and Stink has gone missing! Stan and Gran spy a mystery and decide to investigate...

The Porthole Penguin
Feb 23, 2026
When a penguin takes a shine to Stink's bed, and Grumblestunk decides to open a zoo, Brody is unimpressed, so Stan and Gran are forced to investigate!

The Sneaking Spotters
Feb 24, 2026
Stan and his friends are at the Ley to do a nature survey but strangely, there doesn't seem to be anything to spot. Where has all the wildlife gone?
All Up in the Air
Feb 25, 2026
Stan spots a swift and spies a mystery - why don't they ever land?
The Mystery Mermaid
Feb 26, 2026
Stan and Gran find a mysterious old carved piece of wood while they're beachcombing.
A Galaxy of Starfish
Feb 27, 2026
Cove beach is covered in a swarm of starfish! But everything is not as it seems!
Lucky Star
Mar 2, 2026
Stan finds a special star stone which Grandad believes will bring him luck - and it does!
The Shut Shoe Box Mystery
Mar 3, 2026
Grandad puts caterpillars in a box for rehoming. Then Stan gets a surprise when he checks.
The Phantom Ice Cream Van
Mar 4, 2026
Stan keeps hearing the tune of an ice cream van but it's not there!
Lights in the Night
Mar 5, 2026
Stan is intrigued when he spots strange lights in the night sky.
Something Fishy Going On
Mar 6, 2026
A fish has gone missing from Grandad's pond.